M:tG card similarity search
· Land
When Aether Hub enters the battlefield, you get {E} (an energy counter). {T}: Add {C}. {T}, Pay {E}: Add one mana of any color.
| Name | Mana | Type | Text |
|---|---|---|---|
| Unblinking Observer | 1U | Creature — Homunculus | {T}: Add {U}. Spend this mana only to pay a disturb cost or cast an instant or sorcery spell. 2/1 |
| Coveted Jewel | 6 | Artifact | When Coveted Jewel enters the battlefield, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of Coveted Jewel. Untap it. |
| Rivaz of the Claw | 1BR | Legendary Creature — Viashino Warlock | Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains "When this creature dies, exile it." 3/3 |
| Ruins of Oran-Rief | Land | Ruins of Oran-Rief enters the battlefield tapped. {T}: Add {C}. ({C} represents colorless mana.) {T}: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn. | |
| Urza's Workshop | Land — Urza's | {T}: Add {C}. Metalcraft — {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts. | |
| Prism Ring | 1 | Artifact | As Prism Ring enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life. |
| Diamond Mare | 2 | Artifact Creature — Horse | As Diamond Mare enters the battlefield, choose a color. Whenever you cast a spell of the chosen color, you gain 1 life. 1/3 |
| Thran Turbine | 1 | Artifact | At the beginning of your upkeep, you may add {C}{C}. You can't spend this mana to cast spells. |
| Lake of the Dead | Land | If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}. | |
| Everglades | Land | Everglades enters the battlefield tapped. When Everglades enters the battlefield, sacrifice it unless you return an untapped Swamp you control to its owner's hand. {T}: Add {C}{B}. |